WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

LUMINUS MANAGEMENT LLC's Holding History (CIK: 0001279151)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 35,189 Value ($000) $2,602 Avg Close $70.79 Range $55.84 - $82.75
Q3 2023
Shares 120,500 Value ($000) $15,023 Avg Close $122.44 Range $108.80 - $131.81
Q2 2023
Shares 121,649 Value ($000) $14,533 Avg Close $108.79 Range $98.37 - $116.78
Q1 2023
Shares 118,600 Value ($000) $13,755 Avg Close $109.37 Range $92.83 - $119.59
Q4 2022
Shares 90,550 Value ($000) $9,285 Avg Close $95.20 Range $80.55 - $107.11
Q1 2022
Shares 79,900 Value ($000) $9,860 Avg Close $102.15 Range $87.54 - $119.36
Q3 2018
Shares 135,600 Value ($000) $11,270 Avg Close $86.83 Range $72.82 - $100.10
Q1 2018
Shares 436,214 Value ($000) $48,485 Avg Close $98.39 Range $86.89 - $107.41
Q4 2017
Shares 50,766 Value ($000) $5,408 Avg Close $81.78 Range $72.56 - $95.02
Q3 2017
Shares 218,566 Value ($000) $18,161 Avg Close $64.66 Range $57.52 - $74.59
Q4 2016
Shares 111,000 Value ($000) $6,215 Avg Close $47.64 Range $42.61 - $53.78
Q4 2015
Shares 82,180 Value ($000) $4,464 Avg Close $49.75 Range $44.01 - $54.52
Q3 2015
Shares 344,848 Value ($000) $17,894 Avg Close $49.96 Range $42.26 - $59.13
Q2 2015
Shares 88,458 Value ($000) $6,067 Avg Close $62.10 Range $58.06 - $67.58
Q1 2015
Shares 323,871 Value ($000) $23,299 Avg Close $54.56 Range $46.07 - $62.01
Q4 2014
Shares 45,000 Value ($000) $2,749 Avg Close $57.80 Range $45.45 - $73.16
Q1 2014
Shares 26,370 Value ($000) $1,745 Avg Close $53.68 Range $48.11 - $58.70
Q4 2013
Shares 42,600 Value ($000) $5,200 Avg Close $47.34 Range $43.59 - $51.55
Q2 2013
Shares 49,864 Value ($000) $4,807 Avg Close $37.72 Range $32.17 - $41.82